CN110876829B

CN110876829B - Visual drainage tube assembly

Info

Publication number: CN110876829B
Application number: CN201811033467.0A
Authority: CN
Inventors: 孙树杰; 裴晓宏; 宋丽强; 张国峰
Original assignee: Shanghai Kuxin Medical Technology Co ltd
Current assignee: Shanghai Kuxin Medical Technology Co ltd
Priority date: 2018-09-05
Filing date: 2018-09-05
Publication date: 2022-08-09
Anticipated expiration: 2038-09-05
Also published as: CN110876829A

Abstract

The invention discloses a visual drainage tube assembly. The visual drainage tube assembly comprises a visual tube head, a tube body and an endoscope. The visual tube head is made of a material with the light transmittance not less than 80%. The tube body has a head end and a tail end along the length direction, the head end of the tube body is connected with the visual tube head, and a drainage port communicated with the inside of the tube body is arranged on the side wall of the tail end of the tube body. The endoscope is located inside the head end of the tube body. The body does not obstruct endoscope imaging, and can play certain guard action to the endoscope for the in-process of putting the pipe in puncture is as convenient, directly perceived with the endoscope operation, can avoid putting the blind wearing of pipe in-process, has reduced the reliance to clinician experience, can reach anticipated drainage position under the condition of minimum damage, also can avoid the unnecessary trouble of directly using the endoscope to put the pipe simultaneously, is favorable to avoiding secondary damage, is favorable to improving and puts a tub efficiency.

Description

Visual drainage tube assembly

Technical Field

The invention relates to medical equipment, in particular to a visual drainage tube assembly.

Background

The clinical surgical drainage tubes are various in types, are generally used for wounds, craniocerebra, neck, upper abdomen, lower abdomen, pelvis, lumbar cisterna magna, gastrointestinal tract, biliary tract and other parts, are suitable for gall-bladder stones, gall-bladder cancer, gastric cancer, esophageal cancer, appendicitis, colorectal cancer, cerebral hemorrhage, brain tumors and the like, and are mainly used for draining pus, blood, body fluid and the like accumulated in human tissues or body cavities to the outside of a body through tube inner holes so as to prevent postoperative infection, a large amount of effusion in the body from pressing tissues and a series of problems.

The main points that the drainage tube was put the pipe include: (1) maintaining the drainage tube in the correct position; (2) keeping the abdominal cavity drainage tube unobstructed; (3) maintaining the correct position after operation; (4) keeping the dressing at the tube placement position clean and dry; (5) replacement of a drainage collector, and strict aseptic operation; (6) closely observing the color, quality and quantity of the drainage liquid; (7) and (4) observing and processing complications. From the top, the position of the drainage tube directly influences the drainage effect, which is one of the most critical factors.

In clinical in vitro drainage after abdominal cavity operation, percutaneous puncture introduction under the guidance of B ultrasonic or X ray requires the experience of a clinician to obtain an optimal drainage position, the drainage process is not very smooth, the pain of a patient is increased, the drainage tube is placed incorrectly in the direction and position, even an abdominal wall puncture hole is caused, repeated intubation can easily cause infection complications, a large number of documents report the disadvantages of using the drainage tube during abdominal cavity drainage, and using the drainage tube later, so that the thoracic cavity and the abdominal cavity are very cautious to the use of the drainage tube after operation, and a simple drainage tube easy to operate is required to have good market expectation.

In recent years, various cerebrovascular diseases, particularly cerebral hemorrhage, become common diseases with the increase of patients with hypertension, and the main direct complication of the hypertension is cerebral hemorrhage. In the process of cerebral hemorrhage surgery, the requirement for accurate drainage is that the brain tissue contains a large number of neurons and blood vessels, and accurate positioning of hematoma areas can be accurately positioned through CT, CTA, DSA and other imaging technologies, but if the bleeding points can be accurately reached in the surgery to reduce brain tissue damage as much as possible, the good recovery effect of the surgery is the direction in which a plurality of first-line experts of cerebral hemorrhage study and exploration. At present, the aim of all the operative treatment of hypertensive cerebral hemorrhage is to eliminate hematoma in time, relieve cerebral compression, relieve serious intracranial hypertension and cerebral hernia, save the life of a patient and reduce secondary brain injury and disability caused by hematoma compression as much as possible. Minimally invasive hematoma removal is the surgical treatment of choice for most patients, including: small bone window craniotomy hematoma removal, neuroendoscopy hematoma removal and directional hematoma catheterization and hematoma drainage.

The Chinese journal of digestive surgery (12 months, 12, 10 th volume, 6 th year 2011) discloses a PTGD percutaneous puncture ultrasonic-guided catheterization drainage method, which has the advantages of minimally invasive, safety, low cost and the like. However, the requirement for the depth of entry is high, the surrounding tissue is easily damaged and the drainage effect is poor due to the shallow depth of entry, and serious complications such as bile leakage and the like are easily caused by the damage to the rear wall of the gallbladder and the rear tissue of the gallbladder in the needle insertion process.

For neuroendoscopic surgery using a coronary retractor in the prior art, the advantages include: (1) compared with the lateral approach, the frontal approach avoids brain functional areas and blood vessel dense areas, and the chance of damaging important brain structures is reduced to the minimum; (2) compared with the hematoma removal operation under a microscope, the application of the special tubular retractor has the advantages that the traction damage to the surrounding brain tissue is smaller in the hematoma removal process under an endoscope; (3) the tubular retractor is accurately sent to the far end of the hematoma under the guidance of the image, the hematoma is removed, and the peripheral brain tissue is protected to the maximum degree while the complete hematoma suction is ensured. Accordingly, this procedure also has the following disadvantages: (1) the operation path is long, and if no image guide condition (navigation or orientation instrument) exists, the direction is not easy to master; (2) if the tubular retractor is placed by hand, it may be misaligned, causing brain damage or hematoma residue.

In the prior art, one of the main problems related to drainage by using a drainage tube is as follows: the process of placing the tube cannot be directly viewed, belongs to blind penetration, and is easy to cause secondary damage.

Disclosure of Invention

The invention aims to overcome the defects that a drainage tube in the prior art is used for drainage and is worn blindly and is easy to cause secondary damage, and provides a visual drainage tube assembly.

The invention solves the technical problems through the following technical scheme:

a visual drain assembly, comprising:

the visual tube head is made of a material with the light transmittance not less than 80%;

the tube body is provided with a head end and a tail end along the length direction, the head end of the tube body is connected with the visual tube head, and the side wall of the tail end of the tube body is provided with a drainage port communicated with the interior of the tube body;

an endoscope located inside the head end of the tube body.

In this scheme, the body does not obstruct the endoscope formation of image, and can play certain guard action to the endoscope, make the in-process of putting the pipe in the puncture equally convenient with the endoscopic surgery, directly perceived, can avoid putting the blind wearing of pipe in-process, reduced the reliance to clinician's experience, can reach anticipated drainage position under the condition of minimum damage, also can avoid the unnecessary trouble of directly using the endoscope to put the pipe simultaneously, be favorable to avoiding secondary damage, be favorable to improving and put tub efficiency.

Preferably, the head end of the tube body is provided with a protruding stop block, the protruding stop block is located at a connection position of the head end of the tube body and the visual tube head, the protruding stop block extends towards the inside of the tube body, and one end of the endoscope facing the protruding stop block abuts against the protruding stop block.

In this scheme, the protruding dog makes and keeps visual, safe distance between endoscope and the visual tube head, has the focus that is favorable to controlling the endoscope, is favorable to improving visual effect.

Preferably, the visual drainage tube assembly further comprises a limit baffle, the limit baffle is connected to the inner wall surface of the tube body, the limit baffle is positioned between one end of the endoscope, which is far away from the convex stop block, and the drainage port, and one end of the endoscope, which is far away from the convex stop block, abuts against the limit baffle;

wherein, the limit baffle is used for limiting the movement of the endoscope along the direction parallel to the central axis of the tube body.

Preferably, the limiting baffle is of an annular structure, the bottom of the limiting baffle is recessed towards the endoscope, and the middle of the limiting baffle is provided with a containing hole for the endoscope to pass through.

In this scheme, when the visual drainage tube subassembly of equipment, the accommodation hole makes the endoscope can insert from the tail end of body towards the direction that is close to the head end of body, and simultaneously, when treating that the endoscope inserts and targets in place, spacing baffle can restrict the removal of endoscope along the central axis direction that is on a parallel with the body again. In addition, the limiting baffle can form a relatively closed space at the front end of the visual drainage tube assembly, so that the drainage liquid at the tail end of the tube body can not pollute the lens of the endoscope during drainage, and the visual effect is favorably improved.

Preferably, the limit baffle is an extension part distributed on the inner wall surface of the pipe body along the circumferential direction of the pipe body.

Preferably, the tube body comprises a first part and a second part, the first part is provided with a support piece and the endoscope, the endoscope is clamped and fixedly connected to the inside of the support piece, the support piece is connected between the visual tube head and the second part, and the drainage port is arranged on the second part.

In this scheme, endoscope and support piece set up as an organic whole structure, convenient to use through fixed connection.

Preferably, the stiffness of the support is higher than the stiffness of the second portion;

preferably, the material of the support is polycarbonate or methyl acrylate;

preferably, the endoscope is a CCD endoscope.

In this scheme, support piece's hardness is higher, can protect the endoscope comparatively reliably, is favorable to improving the visual effect of visual tube head.

Preferably, the visual drainage tube assembly further comprises a sealing ring, the sealing ring is arranged inside the tube body, and the sealing ring is located at a connecting position of the support member and the second portion.

In this scheme, the sealing washer can separate endoscope and drainage liquid, prevents that the drainage liquid from polluting the endoscope to be favorable to further improving the visual effect of visual tube head.

Preferably, the visual pipe head is of an arc-shaped structure;

preferably, the visual pipe head is of an aspheric surface structure.

In this scheme, visual tube head adopts the arc structure, and the tip of visual tube head is more mellow, uses this visual drainage tube subassembly to the human body when the cerebral hemorrhage puncture drainage operation, and is minimum to the damage of brain. And set up visual tube head into the arc structure of non-spherical face, be favorable to improving the visual effect of visual tube head.

Preferably, the ratio of the wall thickness of the visual tube head to the wall thickness of the tube body is less than or equal to 0.5.

In this scheme, the wall of visual tube head is thinner, on the basis of guaranteeing visual tube head intensity, is favorable to improving the light transmissivity of visual tube head, is favorable to improving visual effect.

Preferably, the material of the visual tube head is TPU.

In the scheme, the name of TPU (thermoplastic polyurethanes) is thermoplastic polyurethane elastomer rubber, which is a high polymer material with good biocompatibility, has good mechanical properties, and is beneficial to improving the tube placing reliability of the visual drainage tube assembly.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

in this visual drainage tube subassembly, the body does not obstruct the endoscope formation of image, and can play certain guard action to the endoscope, make the in-process of putting the pipe puncture as convenient as the endoscopic surgery, directly perceived, can avoid putting the blind wearing of pipe in-process, reduced the reliance to clinician's experience, can reach anticipated drainage position under the condition of minimum damage, also can avoid the unnecessary trouble of directly using the endoscope to put the pipe simultaneously, be favorable to avoiding the secondary damage, be favorable to improving and put tub efficiency.

Drawings

Fig. 1 is a schematic structural view of a visual drainage tube assembly according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a visual drainage tube assembly according to embodiment 2 of the present invention.

Description of reference numerals:

10 visual tube head

20 pipe body

201 support piece

202 second part

30 endoscope

40 drainage port

50 protruding stop

60 limit baffle

601 receiving hole

70 sealing ring

Detailed Description

The invention will be more clearly and completely illustrated by way of examples in the following, taken in conjunction with the accompanying drawings, without thereby limiting the scope of the invention.

Example 1

The present embodiment provides a visualization drain assembly, which, as will be appreciated with reference to fig. 1, includes a visualization tip 10, a tube body 20, and an endoscope 30. The visual tube head 10 is made of a material with light transmittance not less than 80%. The tube body 20 has a head end and a tail end along the length direction, the head end of the tube body 20 is connected to the visual tube head 10, and a drainage port 40 communicated with the inside of the tube body 20 is arranged on the side wall of the tail end of the tube body 20. And an endoscope 30, wherein the endoscope 30 is positioned inside the head end of the tube body 20.

In this embodiment, the tube body 20 does not obstruct the imaging of the endoscope 30, and can play a certain protection role for the endoscope 30, so that the operation is as convenient and intuitive as the endoscope 30 in the process of puncturing to place the tube, blind wearing in the process of placing the tube can be avoided, dependence on the experience of a clinician is reduced, an expected drainage position can be reached under the condition of extremely small damage, meanwhile, unnecessary trouble of directly using the endoscope 30 to place the tube again can be avoided, secondary damage is favorably avoided, and tube placing efficiency is favorably improved.

In the present embodiment, the material of the visual tube head 10 and the material of the tube body 20 are TPU. The TPU (thermoplastic polyurethanes) is named thermoplastic polyurethane elastomer rubber, is a high polymer material with good biocompatibility, has good mechanical properties, and is favorable for improving the tube placing reliability of the visual drainage tube assembly.

Further, as will be understood with continued reference to fig. 1, the head end of the tube body 20 has a protruding stopper 50, the protruding stopper 50 is located at the connecting position of the head end of the tube body 20 and the visual tube head 10, and the protruding stopper 50 extends toward the inside of the tube body 20, and one end of the endoscope 30 facing the protruding stopper 50 abuts against the protruding stopper 50. The protruding stop block 50 can keep a visible and safe distance between the endoscope 30 and the visual tube head 10, which is beneficial to controlling the focal length of the endoscope 30 and improving the visualization effect.

Still further, as will be understood with continued reference to FIG. 1, the visual drainage tube assembly further includes a limit stop 60, the limit stop 60 being attached to the inner wall surface of the tube body 20, the limit stop 60 being located between an end of the endoscope 30 facing away from the protruding stop 50 and the drainage port 40, and an end of the endoscope 30 facing away from the protruding stop 50 abutting the limit stop 60. Wherein the limit stop 60 is used to limit the movement of the endoscope 30 in a direction parallel to the central axis of the tube 20.

In the present embodiment, the limiting baffle 60 has a ring-shaped structure, the bottom of the limiting baffle 60 is recessed toward the endoscope 30, and the middle of the limiting baffle 60 has a receiving hole 601 through which the endoscope 30 passes. When the visual drainage tube assembly is assembled, the receiving hole 601 enables the endoscope 30 to be inserted from the tail end of the tube body 20 to a direction close to the head end of the tube body 20, and meanwhile, when the endoscope 30 is inserted in place, the limit baffle 60 can limit the movement of the endoscope 30 along a direction parallel to the central axis of the tube body 20. In addition, the limiting baffle 60 can form a relatively closed space at the front end of the visual drainage tube assembly, so that the drainage liquid at the tail end of the tube body 20 cannot pollute the lens of the endoscope 30 during drainage, and the visual effect is favorably improved.

In other alternative embodiments, the limit baffles 60 may also be provided as extensions distributed along the circumferential direction of the pipe body 20 on the inner wall surface of the pipe body 20.

Further, the visual tip 10 has an arc-shaped structure, and the visual tip 10 has an aspherical surface structure. The visual tube head 10 adopts an arc-shaped structure, the end part of the visual tube head 10 is round and smooth, and when the visual drainage tube component is used for cerebral hemorrhage puncture drainage operation on a human body, the injury to the brain is extremely small. The visual tube head 10 is arranged in an arc structure with an aspheric surface, which is beneficial to improving the visual effect of the visual tube head 10.

Further, the ratio of the wall thickness of the visual tip 10 to the wall thickness of the tubular body 20 is 0.3. The wall of the visual tube head 10 is thin, which is beneficial to improving the light transmission of the visual tube head 10 and improving the visual effect on the basis of ensuring the strength of the visual tube head 10.

In other alternative embodiments, the ratio between the wall thickness of visual tip 10 and the wall thickness of tubular body 20 may take any other value within the range of greater than 0 and less than or equal to 0.5.

Example 2

As will be understood by referring to fig. 2, the structure of the visual drainage tube assembly in this embodiment is substantially the same as that of the visual drainage tube assembly in embodiment 1, except for the positional relationship and the connection relationship between the endoscope 30 and the tube body 20.

Specifically, as will be understood with reference to fig. 2, the tubular body 20 comprises a first portion having a support member 201 and an endoscope 30, the endoscope 30 being snapped and fixedly attached to the inside of the support member 201, the support member 201 being attached between the viewing tube head 10 and the second portion 202, and the drainage port 40 being provided in the second portion 202. In the present embodiment, the endoscope 30 and the support 201 are fixedly connected to each other to form an integral structure, which is convenient for use.

Further, in the present embodiment, the endoscope 30 is a CCD endoscope 30, the hardness of the support member 201 is higher than that of the second portion 202, and the material of the support member 201 is specifically polycarbonate. Among them, the supporting member 201 has a high hardness, and can reliably protect the endoscope 30, which is advantageous for improving the visualization effect of the visual tube head 10. In other alternative embodiments, the support may also be made of methyl acrylate.

It should be noted that, regarding the support member, the visual tip and the tube body are generally of the same hardness, and the hardness of the support member is higher than that of the visual tip and the tube body.

Further, the visible drain assembly further comprises a sealing ring 70, wherein the sealing ring 70 is arranged inside the tube body 20, and the sealing ring 70 is positioned at the connecting position of the support member 201 and the second part 202. Wherein, the sealing ring 70 can separate the endoscope 30 from the drainage liquid, and prevent the drainage liquid from polluting the endoscope 30, thereby being beneficial to further improving the visualization effect of the visual tube head 10.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A visual drain assembly, comprising:

an endoscope located inside the head end of the tube body;

the head end of the tube body is provided with a protruding stop block, the protruding stop block is positioned at the connecting position of the head end of the tube body and the visual tube head, the protruding stop block extends towards the interior of the tube body, and one end of the endoscope, which faces the protruding stop block, abuts against the protruding stop block;

the visual drainage tube assembly further comprises a limiting baffle, the limiting baffle is connected to the inner wall surface of the tube body, the limiting baffle is positioned between one end, away from the convex stop block, of the endoscope and the drainage port, and one end, away from the convex stop block, of the endoscope abuts against the limiting baffle;

the limiting baffle is used for limiting the endoscope to move along the direction parallel to the central axis of the tube body;

the limiting baffle is of an annular structure, the bottom of the limiting baffle faces the endoscope and is recessed, and the middle of the limiting baffle is provided with a containing hole for the endoscope to pass through.

2. The visual draft tube assembly of claim 1, wherein said limit stop is an extension on an inner wall surface of said tube body distributed along a circumferential direction of said tube body.

3. The visual drainage tube assembly of claim 1, wherein the visual tip is an arcuate structure.

4. The visual drainage tube assembly of claim 3, wherein the visual tip has a non-spherical surface configuration.

5. The visual drainage tube assembly of claim 1, wherein a ratio between a wall thickness of the visual tip and a wall thickness of the tubular body is less than or equal to 0.5.

6. The visual drainage tube assembly of any one of claims 1-5, wherein the visual tip is made of TPU.

7. A visual drain assembly, comprising:

an endoscope located inside the head end of the tube body;

the tube body comprises a first part and a second part, the first part is provided with a support piece and the endoscope, the endoscope is clamped and fixedly connected inside the support piece, the support piece is connected between the visual tube head and the second part, and the drainage port is arranged on the second part;

the visual drainage tube assembly further comprises a sealing ring, the sealing ring is arranged inside the tube body, and the sealing ring is located at the connecting position of the supporting piece and the second portion.

8. The visual drainage tube assembly of claim 7, wherein the support member has a hardness greater than a hardness of the second portion.

9. The visual drain assembly of claim 7, wherein the support member is made of polycarbonate or methyl acrylate.

10. The visual drainage tube assembly of claim 7, wherein the endoscope is a CCD endoscope.

11. The visual drainage tube assembly of claim 7, wherein the visual tip is an arcuate structure.

12. The visual drainage tube assembly of claim 11, wherein the visual tip has a non-spherical surface configuration.

13. The visual drainage tube assembly of claim 7, wherein a ratio between a wall thickness of the visual tip and a wall thickness of the tubular body is less than or equal to 0.5.

14. A visual drainage tube assembly according to any one of claims 7 to 13 wherein the visual tip is formed from TPU.